C18H19NO2
444 compounds have this formula on CompoundList.
- Molar mass
- 281.35g/mol
- Monoisotopic mass
- 281.1416Da
- Atoms
- 40
- Elements
- 4
- Rings plus double bonds
- 10
The formula C18H19NO2 describes a molecule made of 18 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom and 2 oxygen atoms. It is written in Hill notation: carbon first, then hydrogen, then the other elements in alphabetical order. The formula tells you which atoms are present, not how they are connected, which is why several different chemicals can share it.
Elemental composition
- C Carbon × 1876.84%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 196.81%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 14.98%14.007 × 1 = 14.007 g/mol
- O Oxygen × 211.37%15.999 × 2 = 31.998 g/mol
Compounds with the formula C18H19NO2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 401 to 444 of 444 compounds
![6-{[4-(Aminomethyl)phenyl]methoxy}-1,2,3,4-tetrahydronaphthalen-1-one chemical structure, C18H19NO2, CAS 1955492-87-1](/s/NVBFBQQEPXMLFZ-UHFFFAOYSA-N.svg)
![5-Methyl-N-(naphthalen-2-yl)-2-oxabicyclo[3.1.1]heptane-1-carboxamide chemical structure, C18H19NO2, CAS 2416229-25-7](/s/BYAZJCOCHMYEBW-UHFFFAOYSA-N.svg)
![1,3-Dimethyl-N-(naphthalen-2-yl)-2-oxabicyclo[2.1.1]hexane-4-carboxamide chemical structure, C18H19NO2, CAS 2445791-84-2](/s/LCWPJMCRBRHSOE-UHFFFAOYSA-N.svg)
![7a,9c-(Iminoethano)phenanthro[4,5-bcd]furan, 4a I+/-lpha,5-dihydro-3-methoxy-12-methyl- chemical structure, C18H19NO2](/s/IRKRBEMPEYSKGO-BMGDILEWSA-N.svg)
![2-Methoxy-N-[(1-phenylcyclopropyl)methyl]benzamide chemical structure, C18H19NO2, CAS 267404-25-1](/s/TWDFCRYMFRWSPD-UHFFFAOYSA-N.svg)
![Benzyl N-[(2S)-1-phenylbut-3-en-2-yl]carbamate chemical structure, C18H19NO2, CAS 150767-05-8](/s/GUBRGOFJDRRFAS-QGZVFWFLSA-N.svg)
- Quinoline,1-acetyl-1,2,3,4-tetrahydro-5-(phenylmethoxy)-108825-06-5C18H19NO2
- Quinoline,1-acetyl-1,2,3,4-tetrahydro-6-(phenylmethoxy)-108825-10-1C18H19NO2
- Quinoline,1-benzoyl-1,2,3,4-tetrahydro-6-methoxy-2-methyl-108825-13-4C18H19NO2
- N-(1-Phenylethyl)chromane-2-carboxamide1564280-59-6C18H19NO2
- N-(3-Benzoylphenyl)-2,2-dimethylpropanamide146256-32-8C18H19NO2
- (4-Methylphenyl)-(4-morpholin-4-ylphenyl)methanone1283448-49-6C18H19NO2
- Cis-2,3a-diphenylhexahydroisoxazolo[2,3-b][1,2]oxazineC18H19NO2
- 1-(2-Phenoxyethyl)-3-phenylpyrrolidin-2-one869623-85-8C18H19NO2
- Isopropyl (E)-(2-styrylphenyl)carbamate2104040-78-8C18H19NO2
- 2-(3-Hydroxyphenyl)-N-[(1S)-1,2,3,4-tetrahydronaphthalen-1-yl]acetamideC18H19NO2
- (2E,4E)-5-(6-((2-Hydroxyethyl)(methyl)amino)naphthalen-2-yl)penta-2,4-dienal1638151-81-1C18H19NO2
- 2-(4-(Isoindolin-2-yl)phenyl)butanoic acid3087670-52-5C18H19NO2
- Benzyl (S)-3-(indolin-3-yl)propanoate2808468-14-4C18H19NO2
- (2R)-1-Benzhydryl-2-methylazetidine-3-carboxylic acid2920319-33-9C18H19NO2
- (2S,3S)-1-Benzhydryl-2-methylazetidine-3-carboxylic acid2920197-61-9C18H19NO2
- (2S)-1-Benzhydryl-2-methylazetidine-3-carboxylic acid2920318-82-5C18H19NO2
- (4'-Methyl[1,1'-biphenyl]-2-yl)-4-morpholinylmethanone1805794-84-6C18H19NO2
- 7-Phenyl-7-pyridin-4-ylhept-6-enoic acid89667-89-0C18H19NO2
- (2R)-N-[(1S)-1-Phenylethyl]-3,4-dihydro-2H-chromene-2-carboxamide144980-35-8C18H19NO2
- Methyl 2-benzyl-3,4-dihydro-1H-isoquinoline-8-carboxylate2891599-62-3C18H19NO2
Frequently asked questions
What is the molar mass of C18H19NO2?
The molar mass of C18H19NO2 is 281.35 g/mol, calculated from standard atomic weights for 18 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom and 2 oxygen atoms. The monoisotopic mass is 281.1416 Da.
How many compounds have the formula C18H19NO2?
CompoundList lists 444 compounds with the molecular formula C18H19NO2, including 6-{[4-(Aminomethyl)phenyl]methoxy}-1,2,3,4-tetrahydronaphthalen-1-one, 4-(2,3-Dihydroindol-1-ylmethyl)benzoic acid ethyl ester, tert-Butyl acridine-10(9H)-carboxylate. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.
What is the degree of unsaturation of C18H19NO2?
C18H19NO2 has a degree of unsaturation of 10. That is the total number of rings and pi bonds (a double bond counts as one, a triple bond as two) in any structure with this formula.